<template>
  <div>
    <van-form @submit="onSubmit">
      <van-field
        v-model="username"
        name="用户名"
        label="用户名"
        placeholder="用户名"
        :rules="[{ required: true, message: '请填写用户名' }]"
      />
      <van-field
        v-model="password"
        type="password"
        name="密码"
        label="密码"
        placeholder="密码"
        :rules="[{ required: true, message: '请填写密码' }]"
      />
      <div style="margin: 16px;">
        <van-button round block type="info" native-type="submit"
          >提交</van-button
        >
      </div>
    </van-form>
  </div>
</template>
<script>
import Vue from 'vue';
import { Dialog } from 'vant';

// 全局注册
Vue.use(Dialog);
export default {
  data() {
    return {
      username: "",
      password: ""
    };
  },
  methods: {
    onSubmit() {
      // 登录简单验证 账户密码
      if(this.username === "张三" && this.password === '123456') {
        // 成功 保存token 
        localStorage.setItem('token', this.username);
        // 跳转首页
        this.$router.push('/')
      } else {
        // 失败弹出  弹出框
        Dialog.alert({
          message: '账户密码必须是 张三 123456',
        }).then(() => {
          // on close
          this.username = ''
          this.password = ''
        });
      }
    }
  }
};
</script>